Recommended 175/80D13 Tire and Wheel w/ 4 on 4" Bolt Pattern For 4' x 8' Trailer  

If you have a 4 on 4 bolt pattern, the largest wheel you'll be able to use is a 13 inch, as a 15 inch wheel would use a 5 on 4-1/2, 5 on 5 or a 6 on 5-1/2 inch bolt pattern. Swapping to a different bolt pattern would mean replacing the hubs.…

The Taskmaster ST235/75R15 Radial Off-Road Tire item #TA65RR you were looking at fits a 5 on 4-1/2 lug nut pattern and has a 0 offset. The tire and wheel itself is 28.9" and 9.5" wide. You will need to have a minimum of…

To change the 4.80x12 tires on your Karavan 5' x 8' utility trailer to ST175/80D13 tires you will need need to have 5-6" clearance between the top of the tire to the bottom of the fender, and 2-3" between the inside of the tire to…

Upgrading o a Radial Tire will definitely be better for long distance towing. They will run cooler than a Bias Ply tire giving them a longer life. To replace your current 5.30 x 12 tire, I do have a couple options for you. The Kenda Karrier…

To upgrade the axle and hubs on your Northern Hardware Trailer, I recommend looking at an Axle-Less System like the Timbren #A20RS545. This suspension system will provide you with a smooth, quiet, and safe ride and can completely eliminate the need…

In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into…

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

Typically the only thing that limits a trailers speed rating is the tires, so replacing the tires with ones that have a higher speed rating is likely all you need. Based on the information I could find on your 40x48 Ironton Utility Trailer it uses…

I'll start out by saying that we don't have specific specs on a Northern Tool Ironton trailer but I was able to locate a photo and because of the fenders, I don't believe you'll be able to go up to a larger wheel and tire; your…

No, adding a higher capacity trailer tire does not increase the capacity of the trailer UNLESS the tires you have are rated lower than the axle capacity. A trailers weight capacity is set by the axle so that is what you will be limited to. If you…

The only trailer component that determines the speed rating of the trailer is the tires. All you have to do is simply replace your current tires with one that is rated for highway use, like the Kenda Loadstar #AM3S120 that you referenced, and you are…

Larger diameter wheel and tires do smooth out the ride quality a little bit and also offer higher weight capacities. Since they spin slower than smaller diameter tires they also would put slightly less wear and tear on hub and bearing components.…